The VWS-4000 series vibrating wire Sister Bars and Rebar Strain Meters are designed to be embedded in concrete to measure strains due to imposed loads.
SISTER BAR: The VWS-4000 Sister Bar is installed by tying it alongside an existing length of rebar within the cage. Available in two diameters: 12 and 16mm.
REBAR STRAIN METER: The VWS-4001 Rebar Strain Meter is installed by welding it into the existing rebar cage at a location within the structure where loads can be accurately passed from the concrete into the gauge. Available in various diameters to match the size of the rebar cage into which it is to be welded.
| Brands | |
|---|---|
| Thermistor |
3k 0hms at 25°C |
| Over range |
+20% |
| Resolution |
0.4με |
| Accuracy |
±0.25%FS |
| Effective Gauge Length |
50mm (nominal) |
| De-bonded Length |
175mm |
| Overall Length |
915mm |
| Standard Diameter |
12, 16mm |
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TerraSense is an international office in UAE that provide instrumentation Services in Geotechnics, Geophysics, Structures and Water Engineering. TerraSense is a completely independent company which offers its services to government, private clients, consultants and general contractors.
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